What is the function of the plasma membrane?

Question

filter waste inside the cell.
It helps recognize other cells.
It contains hereditary material
It helps plants maintain their shape.

Answer 1

The function of the plasma membrane is to act as a barrier that separates the interior of the cell from its external environment, regulating the movement of substances in and out of the cell. It also helps to maintain the cell's shape, recognize other cells, and contain hereditary material.